US7020190B2 - Frequency translator using a cordic phase rotator - Google Patents
Frequency translator using a cordic phase rotator Download PDFInfo
- Publication number
- US7020190B2 US7020190B2 US09/925,011 US92501101A US7020190B2 US 7020190 B2 US7020190 B2 US 7020190B2 US 92501101 A US92501101 A US 92501101A US 7020190 B2 US7020190 B2 US 7020190B2
- Authority
- US
- United States
- Prior art keywords
- stage
- cordic
- output
- phase
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime, expires
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
Abstract
Description
Through basic trigonometric substitution, A(θ) can be represented as
By restricting the value of phase angle θ to arctangent of 2 to some power (i.e., θk=tan−1(2−k), where k is any integer), A(θ) can be advantageously written as:
value is a scale factor for the CORDIC algorithm. The scale factor can be disregarded for most applications. Its only effect is to provide some gain to the CORDIC algorithm. As can be seen, using the CORDIC algorithm allows vector rotation using only shifts and adds, provided rotation angles are restricted as provide above. Thus, for each k, the input vector X is rotated by an angle equal to tan−1(2−k).
where hk is the coefficient of the kth filter tap, and Xi-k represents each successive bit of the 1-bit pseudo-random sequence generated by
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/925,011 US7020190B2 (en) | 2000-08-09 | 2001-08-09 | Frequency translator using a cordic phase rotator |
US11/345,671 US7327783B2 (en) | 2000-08-09 | 2006-02-02 | Frequency translator using a cordic phase rotator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22397200P | 2000-08-09 | 2000-08-09 | |
US09/925,011 US7020190B2 (en) | 2000-08-09 | 2001-08-09 | Frequency translator using a cordic phase rotator |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/345,671 Continuation US7327783B2 (en) | 2000-08-09 | 2006-02-02 | Frequency translator using a cordic phase rotator |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020057733A1 US20020057733A1 (en) | 2002-05-16 |
US7020190B2 true US7020190B2 (en) | 2006-03-28 |
Family
ID=22838753
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/925,011 Expired - Lifetime US7020190B2 (en) | 2000-08-09 | 2001-08-09 | Frequency translator using a cordic phase rotator |
US11/345,671 Expired - Lifetime US7327783B2 (en) | 2000-08-09 | 2006-02-02 | Frequency translator using a cordic phase rotator |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/345,671 Expired - Lifetime US7327783B2 (en) | 2000-08-09 | 2006-02-02 | Frequency translator using a cordic phase rotator |
Country Status (7)
Country | Link |
---|---|
US (2) | US7020190B2 (en) |
EP (1) | EP1320934A4 (en) |
JP (1) | JP2004506365A (en) |
CN (1) | CN1468470A (en) |
AU (1) | AU2001283182A1 (en) |
CA (1) | CA2419063A1 (en) |
WO (1) | WO2002013370A2 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040036636A1 (en) * | 2002-08-26 | 2004-02-26 | Rifeng Mai | Tone-free dithering methods for sigma-delta DAC |
US20050216540A1 (en) * | 2004-03-25 | 2005-09-29 | Wen Kuei-Ann | Novel CORDIC circuit |
US20060104383A1 (en) * | 2004-11-18 | 2006-05-18 | Jensen Henrik T | Radio transmitter incorporating digital modulator and circuitry to accommodate baseband processor with analog interface |
US20060200510A1 (en) * | 2005-01-31 | 2006-09-07 | Wang Cindy C | Precision cordic processor |
US20060233284A1 (en) * | 2000-08-09 | 2006-10-19 | Sullivan Mark C | Frequency translator using a cordic phase rotator |
US20060291550A1 (en) * | 2005-06-22 | 2006-12-28 | Wang Cindy C | Method and system for equalizing received signal in communications systems |
US7929651B1 (en) * | 2007-11-09 | 2011-04-19 | Xilinx, Inc. | Low phase noise recursive direct digital synthesis with automatic gain control gain stabilization |
US7950748B2 (en) | 2005-02-11 | 2011-05-31 | InnerLoc, Inc | Internal hydraulic locking apparatus and methods for making and using same |
US8284023B2 (en) | 2005-08-24 | 2012-10-09 | Inner Loc, LLC | Internal locking apparatus and methods for making and using same |
WO2015065224A1 (en) * | 2013-10-28 | 2015-05-07 | Obshestwo S Ogranichennoy Otwetstwennostiu "Topcon Positioning Systems" | Digital filter for narrowband interference rejection |
US10684824B2 (en) | 2018-06-06 | 2020-06-16 | Nvidia Corporation | Stochastic rounding of numerical values |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040143392A1 (en) * | 1999-07-12 | 2004-07-22 | Skybitz, Inc. | System and method for fast acquisition reporting using communication satellite range measurement |
US8255149B2 (en) | 1999-07-12 | 2012-08-28 | Skybitz, Inc. | System and method for dual-mode location determination |
US7079574B2 (en) * | 2001-01-17 | 2006-07-18 | Radiant Networks Plc | Carrier phase recovery system for adaptive burst modems and link hopping radio networks |
DE10322851A1 (en) * | 2003-05-19 | 2004-12-16 | Endress + Hauser Flowtec Ag, Reinach | Coriolis flow meter |
DE10351604A1 (en) * | 2003-11-05 | 2005-06-02 | Rohde & Schwarz Gmbh & Co. Kg | Frequency synthesizer according to the direct digital synthesis method |
US7545874B1 (en) * | 2004-04-05 | 2009-06-09 | National Semiconductor Corporation | Apparatus for pre-scaling data packets with multiple signal gain coefficients in a SIMO/MISO transceiver for communication with a SISO transceiver |
US7539716B2 (en) * | 2005-01-26 | 2009-05-26 | Pentomics, Inc. | Method and apparatus for improved direct digital frequency synthesizer |
US8693525B2 (en) * | 2006-07-14 | 2014-04-08 | Qualcomm Incorporated | Multi-carrier transmitter for wireless communication |
US7554471B2 (en) * | 2006-11-01 | 2009-06-30 | Northrop Grumman Corporation | System and method for improving linearity of a DAC |
FR2914515B1 (en) * | 2007-04-02 | 2009-07-03 | St Microelectronics Sa | CALIBRATION IN A RADIO FREQUENCY TRANSMIT MODULE |
US20090094306A1 (en) * | 2007-10-09 | 2009-04-09 | Krishnakalin Gahn W | Cordic rotation angle calculation |
US8239430B2 (en) * | 2007-10-09 | 2012-08-07 | International Business Machines Corporation | Accuracy improvement in CORDIC through precomputation of the error bias |
US8243857B2 (en) * | 2008-06-23 | 2012-08-14 | Apple Inc. | Cordic based complex tuner with exact frequency resolution |
CN101499775B (en) * | 2009-02-20 | 2012-08-22 | 武汉大学 | Method and apparatus for pulse compression processing the linear frequency modulation signal by CORDIC |
US20100290258A1 (en) * | 2009-05-17 | 2010-11-18 | CapTech Development Corporation | Inverter Topology For Improved Efficiency And Reduced Harmonic Distortion |
EP2278714B1 (en) * | 2009-07-02 | 2015-09-16 | Nxp B.V. | Power stage |
US9157940B2 (en) * | 2011-02-09 | 2015-10-13 | Smart Energy Instruments, Inc. | Power measurement device |
US8552783B2 (en) | 2011-06-10 | 2013-10-08 | International Business Machines Corporation | Programmable delay generator and cascaded interpolator |
US8867592B2 (en) | 2012-05-09 | 2014-10-21 | Nxp B.V. | Capacitive isolated voltage domains |
TWI501551B (en) * | 2013-05-13 | 2015-09-21 | Univ Nat Chunghsing | Frequency divider circuit |
CN104702548B (en) * | 2013-12-07 | 2018-04-03 | 北京北广科技股份有限公司 | The modulator approach and its device of the repetition multiple signals of same FM signal |
CN106485319B (en) * | 2015-10-08 | 2019-02-12 | 上海兆芯集成电路有限公司 | With the dynamically configurable neural network unit to execute a variety of data sizes of neural processing unit |
CN115118564B (en) * | 2022-06-20 | 2023-12-29 | 湖南艾科诺维科技有限公司 | Carrier frequency deviation estimation method and device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3976869A (en) | 1974-09-27 | 1976-08-24 | The Singer Company | Solid state resolver coordinate converter unit |
US4338675A (en) * | 1980-02-13 | 1982-07-06 | Intel Corporation | Numeric data processor |
US4893316A (en) | 1985-04-04 | 1990-01-09 | Motorola, Inc. | Digital radio frequency receiver |
US4896287A (en) * | 1988-05-31 | 1990-01-23 | General Electric Company | Cordic complex multiplier |
US4945505A (en) | 1988-10-17 | 1990-07-31 | Raytheon Company | Cordic apparatus and method for approximating the magnitude and phase of a complex number |
US5963157A (en) * | 1997-06-23 | 1999-10-05 | Motorola, Inc. | Method and apparatus for the addition and removal of a dither signal |
US6522176B1 (en) * | 2001-11-15 | 2003-02-18 | Itt Manufacturing Enterprises, Inc. | Low spurious direct digital synthesizer |
US6693970B2 (en) * | 1999-04-23 | 2004-02-17 | Nokia Corporation | QAM modulator |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE33629E (en) * | 1980-02-13 | 1991-07-02 | Intel Corporation | Numeric data processor |
AU639308B2 (en) * | 1990-03-09 | 1993-07-22 | Sigtec Navigation Pty Ltd | G p s receiver |
CA2051855C (en) * | 1990-09-20 | 2002-11-26 | Roy W. Grabner | Process for producing n-substituted-1-deoxynojirimycin |
US5499032A (en) * | 1992-12-22 | 1996-03-12 | Terrapin Corporation | Navigation and positioning system and method using uncoordinated beacon signals |
US5365516A (en) | 1991-08-16 | 1994-11-15 | Pinpoint Communications, Inc. | Communication system and method for determining the location of a transponder unit |
US5356516A (en) * | 1993-02-26 | 1994-10-18 | Sandia Corporation | Process for etching mixed metal oxides |
US5546383A (en) * | 1993-09-30 | 1996-08-13 | Cooley; David M. | Modularly clustered radiotelephone system |
US5488588A (en) * | 1994-09-07 | 1996-01-30 | General Electric Company | Ultrasonic imager having wide-bandwidth dynamic focusing |
US5557637A (en) * | 1994-09-24 | 1996-09-17 | Glynn; Thomas W. | Convolutional ambiguity multiple access (CAMA) transmission system |
US6208290B1 (en) * | 1996-03-08 | 2001-03-27 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
US5955986A (en) * | 1997-11-20 | 1999-09-21 | Eagle Eye Technologies, Inc. | Low-power satellite-based geopositioning system |
US6249245B1 (en) * | 1998-05-14 | 2001-06-19 | Nortel Networks Limited | GPS and cellular system interworking |
US7020190B2 (en) * | 2000-08-09 | 2006-03-28 | Skybitz, Inc. | Frequency translator using a cordic phase rotator |
US6466958B1 (en) * | 2000-09-12 | 2002-10-15 | Interstate Electronics Corporation, A Division Of L3 Communications Corporation | Parallel frequency searching in an acquisition correlator |
-
2001
- 2001-08-09 US US09/925,011 patent/US7020190B2/en not_active Expired - Lifetime
- 2001-08-09 EP EP01961961A patent/EP1320934A4/en not_active Withdrawn
- 2001-08-09 CN CNA01817101XA patent/CN1468470A/en active Pending
- 2001-08-09 CA CA002419063A patent/CA2419063A1/en not_active Abandoned
- 2001-08-09 JP JP2002518610A patent/JP2004506365A/en active Pending
- 2001-08-09 AU AU2001283182A patent/AU2001283182A1/en not_active Abandoned
- 2001-08-09 WO PCT/US2001/024825 patent/WO2002013370A2/en not_active Application Discontinuation
-
2006
- 2006-02-02 US US11/345,671 patent/US7327783B2/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3976869A (en) | 1974-09-27 | 1976-08-24 | The Singer Company | Solid state resolver coordinate converter unit |
US4338675A (en) * | 1980-02-13 | 1982-07-06 | Intel Corporation | Numeric data processor |
US4893316A (en) | 1985-04-04 | 1990-01-09 | Motorola, Inc. | Digital radio frequency receiver |
US4896287A (en) * | 1988-05-31 | 1990-01-23 | General Electric Company | Cordic complex multiplier |
US4945505A (en) | 1988-10-17 | 1990-07-31 | Raytheon Company | Cordic apparatus and method for approximating the magnitude and phase of a complex number |
US5963157A (en) * | 1997-06-23 | 1999-10-05 | Motorola, Inc. | Method and apparatus for the addition and removal of a dither signal |
US6693970B2 (en) * | 1999-04-23 | 2004-02-17 | Nokia Corporation | QAM modulator |
US6522176B1 (en) * | 2001-11-15 | 2003-02-18 | Itt Manufacturing Enterprises, Inc. | Low spurious direct digital synthesizer |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7327783B2 (en) | 2000-08-09 | 2008-02-05 | Skybitz, Inc. | Frequency translator using a cordic phase rotator |
US20060233284A1 (en) * | 2000-08-09 | 2006-10-19 | Sullivan Mark C | Frequency translator using a cordic phase rotator |
US20040036636A1 (en) * | 2002-08-26 | 2004-02-26 | Rifeng Mai | Tone-free dithering methods for sigma-delta DAC |
US20050216540A1 (en) * | 2004-03-25 | 2005-09-29 | Wen Kuei-Ann | Novel CORDIC circuit |
US20060104383A1 (en) * | 2004-11-18 | 2006-05-18 | Jensen Henrik T | Radio transmitter incorporating digital modulator and circuitry to accommodate baseband processor with analog interface |
US7573948B2 (en) * | 2004-11-18 | 2009-08-11 | Broadcom Corporation | Radio transmitter incorporating digital modulator and circuitry to accommodate baseband processor with analog interface |
US20060200510A1 (en) * | 2005-01-31 | 2006-09-07 | Wang Cindy C | Precision cordic processor |
US7950748B2 (en) | 2005-02-11 | 2011-05-31 | InnerLoc, Inc | Internal hydraulic locking apparatus and methods for making and using same |
US20060291550A1 (en) * | 2005-06-22 | 2006-12-28 | Wang Cindy C | Method and system for equalizing received signal in communications systems |
US7839923B2 (en) | 2005-06-22 | 2010-11-23 | Marvell World Trade Ltd. | Method and system for equalizing received signals in communications systems |
US8284023B2 (en) | 2005-08-24 | 2012-10-09 | Inner Loc, LLC | Internal locking apparatus and methods for making and using same |
US7929651B1 (en) * | 2007-11-09 | 2011-04-19 | Xilinx, Inc. | Low phase noise recursive direct digital synthesis with automatic gain control gain stabilization |
WO2015065224A1 (en) * | 2013-10-28 | 2015-05-07 | Obshestwo S Ogranichennoy Otwetstwennostiu "Topcon Positioning Systems" | Digital filter for narrowband interference rejection |
US9350414B2 (en) | 2013-10-28 | 2016-05-24 | Topcon Positioning Systems, Inc. | Digital filter for narrowband interference rejection |
US10684824B2 (en) | 2018-06-06 | 2020-06-16 | Nvidia Corporation | Stochastic rounding of numerical values |
Also Published As
Publication number | Publication date |
---|---|
AU2001283182A1 (en) | 2002-02-18 |
CN1468470A (en) | 2004-01-14 |
EP1320934A4 (en) | 2004-04-07 |
WO2002013370A2 (en) | 2002-02-14 |
US7327783B2 (en) | 2008-02-05 |
EP1320934A2 (en) | 2003-06-25 |
WO2002013370A3 (en) | 2002-08-08 |
US20020057733A1 (en) | 2002-05-16 |
CA2419063A1 (en) | 2002-02-14 |
US20060233284A1 (en) | 2006-10-19 |
JP2004506365A (en) | 2004-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7327783B2 (en) | Frequency translator using a cordic phase rotator | |
Vankka et al. | Direct digital synthesizers: theory, design and applications | |
EP1469373B1 (en) | Direct digital frequency synthesizer for cellular wireless communication systems based on fast frequency-hopped spread spectrum technology | |
US7449960B2 (en) | Frequency modulation linearization system for a Fractional-N offset PLL | |
Valls et al. | The use of CORDIC in software defined radios: A tutorial | |
US8626082B2 (en) | Polar feedback receiver for modulator | |
EP1641131B1 (en) | Digital sideband suppression for radio frequency (RF) modulators | |
US5375146A (en) | Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters | |
US7139329B2 (en) | Receiver in a radio communication system | |
US6522176B1 (en) | Low spurious direct digital synthesizer | |
JP2002223130A (en) | Transmitter and transmission method | |
US20060097814A1 (en) | Digital sideband suppression for radio frequency (RF) modulators | |
US20100194444A1 (en) | Reduction of spurious frequency components in direct digital synthesis | |
US7417514B2 (en) | Method for modulating phase or frequency in a communication system using clock division | |
US20080130785A1 (en) | Frequency and temperature dependent pre-distortion | |
US7173982B1 (en) | Method and circuit for digitally correcting the frequency of a signal | |
Katkar et al. | Realization of cordic algorithm in DDS: Novel Approch towards Digital Modulators in MATLAB and VHDL | |
Basetas et al. | Comparison of recently developed single-bit all-digital frequency synthesizers in terms of hardware complexity and performance | |
EP2126659B1 (en) | A method for use in a digital frequency synthesizer | |
CA2245072C (en) | One bit digital quadrature vector modulator | |
미세 et al. | Quadrature Direct Digital Frequency Synthesis Using Fine-Grain Angle Rotation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: EAGLE-EYE, INC., VIRGINIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SULLIVAN, MARK C.;REEL/FRAME:012298/0593 Effective date: 20011023 |
|
AS | Assignment |
Owner name: SKYBITZ, INC., VIRGINIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:AIG HIGHSTAR CAPITAL, L.P. AS COLLATERAL AGENT;INDUSTRIAL TECHNOLOGY VENTURES, L.P. AS COLLATERAL AGENT LIMITED PARTNERSHIP-GEORGIA;REEL/FRAME:014830/0625 Effective date: 20031223 |
|
AS | Assignment |
Owner name: EAGLE EYE, INC., VIRGINIA Free format text: CHANGE OF NAME;ASSIGNOR:SKYBITZ, INC.;REEL/FRAME:014901/0957 Effective date: 20030103 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
AS | Assignment |
Owner name: ORIX VENTURE FINANCE LLC, NEW YORK Free format text: SECURITY AGREEMENT;ASSIGNOR:SKYBITZ, INC.;REEL/FRAME:021439/0420 Effective date: 20080826 Owner name: ORIX VENTURE FINANCE LLC,NEW YORK Free format text: SECURITY AGREEMENT;ASSIGNOR:SKYBITZ, INC.;REEL/FRAME:021439/0420 Effective date: 20080826 |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
AS | Assignment |
Owner name: SKYBITZ, INC., VIRGINIA Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:ORIX VENTURE FINANCE LLC;REEL/FRAME:027640/0001 Effective date: 20120201 Owner name: SILICON VALLEY BANK, CALIFORNIA Free format text: SECURITY AGREEMENT;ASSIGNOR:SKYBITZ, INC.;REEL/FRAME:027645/0702 Effective date: 20120201 |
|
AS | Assignment |
Owner name: SUNTRUST BANK, AS FIRST LIEN ADMINISTRATIVE AGENT, Free format text: SECURITY AGREEMENT;ASSIGNORS:TELULAR CORPORATION;SKYBITZ, INC.;REEL/FRAME:030724/0331 Effective date: 20130624 |
|
AS | Assignment |
Owner name: SUNTRUST BANK, AS SECOND LIEN ADMINISTRATIVE AGENT Free format text: SECURITY AGREEMENT;ASSIGNORS:TELULAR CORPORATION;SKYBITZ, INC.;REEL/FRAME:030739/0932 Effective date: 20130624 |
|
AS | Assignment |
Owner name: TANKLINK CORPORATION, ILLINOIS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:SILICON VALLEY BANK;REEL/FRAME:030754/0239 Effective date: 20130624 Owner name: TELULAR CORPORATION, ILLINOIS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:SILICON VALLEY BANK;REEL/FRAME:030754/0239 Effective date: 20130624 Owner name: SKYBITZ, INC., ILLINOIS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:SILICON VALLEY BANK;REEL/FRAME:030754/0239 Effective date: 20130624 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
AS | Assignment |
Owner name: SKYBITZ, INC., ILLINOIS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:SUNTRUST BANK, AS ADMINISTRATIVE AGENT;REEL/FRAME:036084/0195 Effective date: 20150708 Owner name: TELULAR CORPORATON, ILLINOIS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:SUNTRUST BANK, AS ADMINISTRATIVE AGENT;REEL/FRAME:036084/0195 Effective date: 20150708 |
|
FEPP | Fee payment procedure |
Free format text: PAT HOLDER NO LONGER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: STOL); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FEPP | Fee payment procedure |
Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.) |
|
FEPP | Fee payment procedure |
Free format text: 11.5 YR SURCHARGE- LATE PMT W/IN 6 MO, LARGE ENTITY (ORIGINAL EVENT CODE: M1556) |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553) Year of fee payment: 12 |
|
AS | Assignment |
Owner name: TELULAR CORPORATION, ILLINOIS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:SUNTRUST BANK;REEL/FRAME:047719/0345 Effective date: 20181024 Owner name: SKYBITZ, INC., ILLINOIS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:SUNTRUST BANK;REEL/FRAME:047719/0345 Effective date: 20181024 |